Question: What was the inflation rate of São Tomé and Príncipe in 1989?
Paraphrase: In 1989, what was the inflation rate of Sao Tome and Principe?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q1039 p:P1279 ?s . ?s ps:P1279 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1989')) }